MB Supermicro X11SRM-F-O, 1xLGA 2066, W-2100/2200, C422, 4xDDR4 Up to 256GB ECC RDIMM/3DS ECC LRDIMM, 1 PCI-E 3.0 x16,2 PCI-E 3.0 x8, M.2 Interface: 1 PCI-E 3.0 x4, M.2 Form Factor: 2280, M.2 Key: M-Key, Double Height Connector, 8 SATA3 (6 Gbps) ports; RAID 0,1,5,10, VROC, Dual LAN with Intel® i210 Gigabit Ethernet Controller